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参数资料
| 型号： | AD5242BR100 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 数字电位计 |
| 英文描述： | Audio digital potentiometers |
| 中文描述： | DUAL 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO16 |
| 封装： | MS-012AC, SOIC-16 |
| 文件页数： | 2/16页 |
| 文件大小： | 394K |
| 代理商： | AD5242BR100 |
REV. B
–2–
AD5241/AD5242–SPECIFICATIONS
10 k , 100 k , 1 M VERSION
Parameter
Symbol
Conditions
Min
Typ
1
Max
Unit
DC CHARACTERISTICS, RHEOSTAT MODE (Specifications apply to all VRs.)
Resistor Differential Nonlinearity
2
R-DNL
Resistor Integral Nonlinearity
2
R-INL
Nominal Resistor Tolerance
DR
DR
Resistance Temperature Coefficient
R
AB
/DT
Wiper Resistance
R
W
DC CHARACTERISTICS, POTENTIOMETER DIVIDER MODE (Specifications apply to all VRs.)
Resolution
N
Differential Nonlinearity
3
DNL
Integral Nonlinearity
3
INL
Voltage Divider Temperature
Coefficient
DV
W
/DT
Full-Scale Error
V
WFSE
Zero-Scale Error
V
WZSE
RESISTOR TERMINALS
Voltage Range
4
V
A, B, W
Capacitance
5
A, B
C
A, B
Capacitance
5
W
C
W
Common-Mode Leakage
I
CM
DIGITAL INPUTS
Input Logic High (SDA and SCL)
V
IH
Input Logic Low (SDA and SCL)
V
IL
Input Logic High (AD0 and AD1)
V
IH
Input Logic Low (AD0 and AD1)
V
IL
Input Logic High
V
IH
Input Logic Low
V
IL
Input Current
I
IL
Input Capacitance
5
C
IL
DIGITAL OUTPUT
V
OL
Output Logic Low (SDA)
V
OL
Output Logic Low (O
1
and O
2
)
V
OL
Output Logic High (O
1
and O
2
)
V
OH
Three-State Leakage Current (SDA) I
OZ
Output Capacitance
5
C
OZ
POWER SUPPLIES
Power Single-Supply Range
V
DD RANGE
Power Dual-Supply Range
V
DD/SS RANGE
±
2.3
Positive Supply Current
I
DD
Negative Supply Current
I
SS
Power Dissipation
6
P
DISS
Power Supply Sensitivity
PSS
DYNAMIC CHARACTERISTICS
5, 7, 8
Bandwidth –3 dB
BW_10 k
BW_100 k
BW_1 M
Total Harmonic Distortion
THD
W
R
WB
, V
A
= No Connect
R
WB
, V
A
= No Connect
T
A
= 25
°
C, RAB = 10 k
T
A
= 25
°
C, RAB = 100 k
/1 M
V
AB
= V
DD
, Wiper = No Connect
I
W
= V
DD
/R, V
DD
= 3 V or 5 V
–1
–2
–30
–30
±
0.4
±
0.5
+1
+2
+30
+50
LSB
LSB
%
%
ppm/
°
C
30
60
120
8
–1
–2
Bits
LSB
LSB
±
0.4
±
0.5
+1
+2
Code = 80
H
Code = FF
H
Code = 00
H
5
–0.5
0.5
ppm/
°
C
LSB
LSB
–1
0
0
1
V
SS
V
DD
V
pF
pF
nA
f = 1 MHz, Measured to GND, Code = 80
H
f = 1 MHz, Measured to GND, Code = 80
H
V
A
= V
B
= V
W
45
60
1
0.7 V
DD
–0.5
2.4
0
2.1
0
V
DD
+ 0.5 V
+0.3 V
DD
V
DD
0.8
V
DD
0.6
1
V
V
V
V
V
μ
A
pF
V
DD
= 5 V
V
DD
= 5 V
V
DD
= 3 V
V
DD
= 3 V
V
IN
= 0 V or 5 V
3
I
OL
= 3 mA
I
OL
= 6 mA
I
SINK
= 1.6 mA
I
SOURCE
= 40
μ
A
V
IN
= 0 V or 5 V
0.4
0.6
0.4
V
V
V
V
μ
A
pF
4
±
1
8
3
V
SS
= 0 V
2.7
5.5
±
2.7
50
–50
250
V
V
μ
A
μ
A
μ
W
%/%
V
IH
= 5 V or V
IL
= 0 V
V
SS
= –2.5 V, V
DD
= +2.5 V
V
IH
= 5 V or V
IL
= 0 V, V
DD
= 5 V
0.1
+0.1
0.5
–0.01 +0.002+0.01
R
AB
= 10 k
, Code = 80
H
R
AB
= 100 k
, Code = 80
H
R
AB
= 1 M
, Code = 80
H
V
A
= 1 V rms + 2 V dc,
V
B
= 2 V dc, f = 1 kHz
V
A
= V
DD
, V
B
= 0 V,
±
1 LSB Error Band,
R
AB
= 10 k
R
WB
= 5 k
, f = 1 kHz
650
69
6
0.005
kHz
kHz
kHz
%
V
W
Settling Time
t
S
2
μ
s
Resistor Noise Voltage
e
N_WB
14
nV
√
Hz
(V
DD
= 3 V 10% or 5 V
10%, V
A
= +V
DD
, V
B
= 0 V, –40 C < T
A
< +105 C, unless
otherwise noted.)
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